Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Relationship between the fruit size and the quality properties of imported Valencia oranges

수입 Valencia 오렌지의 크기와 품질특성의 상관성

  • Jo, Deokjo (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Yoo, Seong-Yeol (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Park, Joo-Hyeon (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Gao, Yaping (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Kim, Seul-Gi (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Lee, Jea-Young (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Kwon, Eun-Jin (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute) ;
  • Kwon, Joong-Ho (School of Food Science and Technology, Kyungpook National University & Food Bio-industry Research Institute)
  • 조덕조 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 유승열 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 박주현 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 까오야핑 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 김슬기 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 이제영 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 권은진 (경북대학교 식품공학부 및 식품생물산업연구소) ;
  • 권중호 (경북대학교 식품공학부 및 식품생물산업연구소)
  • Received : 2014.03.10
  • Accepted : 2014.04.14
  • Published : 2014.06.30
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Abstract

Imported Valencia oranges were evaluated to determine the relationship between the fruit size and its quality. The orange size was classified into three groups on a commercial basis: small ($140{\sim}160g/113{\pm}5$ fruit/box), medium ($190{\sim}220g/88{\pm}5$ fruit/box), and large ($250{\sim}280g/72{\pm}5$ fruit/box). The physicochemical and sensory properties were analyzed to evaluate the orange quality. No significant difference in the peel thickness and flesh ratio was detected across the fruit sizes. The juice yield of the medium-sized orange and the TSS/TA ratios of the medium-sized and large oranges showed the highest value, respectively (p<0.05). The large orange had the highest vitamin C content, which was positively correlated with both its DPPH and ABTS radical scavenging abilities (p<0.05). In the sensory evaluation of the fruits and their juice, the scores for sourness and overall preference were significantly higher in the medium-sized and large oranges than in the small ones. The total soluble solids, total acidity, TSS/TA ratio, and reducing sugar content were significantly related to the sensory properties. Finally, the quality and sensory properties were considered superior in the medium-sized and lager Valencia oranges. Further studies on the effects of the variety and origin of Valencia oranges on their quality and sensory properties are required.

수입 오렌지(Valencia)를 대상으로 과일의 크기와 품질특성 간의 상관성을 연구하였다. 오렌지 시료는 시판되는 포장상자(18 kg)의 특성을 바탕으로 소과($140{\sim}160g/113{\pm}5$과/상자), 중과($190{\sim}220g/88{\pm}5$과/상자) 및 대과($250{\sim}280g/72{\pm}5$과/상자)로 나누어 크기별 시료를 구분하였다. 오렌지 시료의 품질특성은 물리적, 화학적 및 관능적 기호도를 분석하여 평가하였다. 오렌지의 껍질 두께와 과육비는 크기에 따른 유의적인 차이를 나타내지 않았다. 주스의 수율은 중과에서, 당산비와 환원당 함량은 중과와 대과에서 유의적으로 높은 값을 나타내었다(p<0.05). 과일의 비타민 C 함량은 대과에서 가장 높은 함량을 보이면서 DPPH 및 ABTS 라디칼 소거능과 유의적인 상관관계를 보여주었다(p<0.05). 생과 및 주스의 신맛과 전반적 기호도는 소과에 비해 중과와 대과에서 높은 관능평점을 나타내었다(p<0.05). 이상의 결과에서 Valencia 오렌지는 과일의 크기가 중과 이상일 경우 관능적 기호도가 높고 기능적 성분특성이 우수한 것으로 확인되었다. 수입 오렌지의 품종별 및 원산지에 따른 품질특성 연구도 필요한 것으로 사료되었다.

Keywords

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